In reply to Jellington:
Pretty common fitting issue for many boot/crampon combinations... and the very asymmetric scarpa sole unit is an awkward fit in large sizes.....
a suggestion to test the fit is to attach the crampon - heel bale should snap shut but not be super tight, then try and lever it off (pull the central linking bar away from the sole and side to side with some force).
If you don’t get any (or only tiny e.g. 1mm) shift then fit probably ok, otherwise try adjusting the toe bale - different holes either side, and likewise heel bale to see if helps. Failing that petzl make a ‘curved’ linking bar that have found can help fit scarpa soles better.
Also as above good idea to get someone else to take a look in the flesh.